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Out-of-distribution (OOD) detection has received much attention lately due to its importance in the safe deployment of neural networks. One of the key challenges is that models lack supervision signals from unknown data, and as a result,…

机器学习 · 计算机科学 2022-05-11 Xuefeng Du , Zhaoning Wang , Mu Cai , Yixuan Li

Conventional camera-based 3D object detectors in autonomous driving are limited to recognizing a predefined set of objects, which poses a safety risk when encountering novel or unseen objects in real-world scenarios. To address this…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zhuolin He , Xinrun Li , Jiacheng Tang , Shoumeng Qiu , Wenfu Wang , Xiangyang Xue , Jian Pu

Traditional supervised learning aims to train a classifier in the closed-set world, where training and test samples share the same label space. In this paper, we target a more challenging and realistic setting: open-set learning (OSL),…

机器学习 · 计算机科学 2021-07-01 Zhen Fang , Jie Lu , Anjin Liu , Feng Liu , Guangquan Zhang

Open-set active learning (OSAL) aims to identify informative samples for annotation when unlabeled data may contain previously unseen classes-a common challenge in safety-critical and open-world scenarios. Existing approaches typically rely…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Chen-Chen Zong , Yu-Qi Chi , Xie-Yang Wang , Yan Cui , Sheng-Jun Huang

With the of advent rich classification models and high computational power visual recognition systems have found many operational applications. Recognition in the real world poses multiple challenges that are not apparent in controlled lab…

计算机视觉与模式识别 · 计算机科学 2015-12-01 Abhijit Bendale , Terrance Boult

Open World Object Detection (OWOD) is a novel and challenging computer vision task that enables object detection with the ability to detect unknown objects. Existing methods typically estimate the object likelihood with an additional…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Yulin He , Wei Chen , Yusong Tan , Siqi Wang

The utilisation of Deep Learning (DL) raises new challenges regarding its dependability in critical applications. Sound verification and validation methods are needed to assure the safe and reliable use of DL. However, state-of-the-art…

软件工程 · 计算机科学 2023-01-16 Xingyu Zhao , Wei Huang , Sven Schewe , Yi Dong , Xiaowei Huang

Classifying patterns of known classes and rejecting ambiguous and novel (also called as out-of-distribution (OOD)) inputs are involved in open world pattern recognition. Deep neural network models usually excel in closed-set classification…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Zhen Cheng , Xu-Yao Zhang , Cheng-Lin Liu

Traditional machine learning follows a close-set assumption that the training and test set share the same label space. While in many practical scenarios, it is inevitable that some test samples belong to unknown classes (open-set). To fix…

机器学习 · 计算机科学 2023-02-23 Zitai Wang , Qianqian Xu , Zhiyong Yang , Yuan He , Xiaochun Cao , Qingming Huang

Synthetic image generation has opened up new opportunities but has also created threats in regard to privacy, authenticity, and security. Detecting fake images is of paramount importance to prevent illegal activities, and previous research…

计算机视觉与模式识别 · 计算机科学 2023-02-27 Md Awsafur Rahman , Bishmoy Paul , Najibul Haque Sarker , Zaber Ibn Abdul Hakim , Shaikh Anowarul Fattah

Current mainstream SAR image object detection methods still lack robustness when dealing with unknown objects in open environments. Open-set detection aims to enable detectors trained on a closed set to detect all known objects and identify…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Xiayang Xiao , Zhuoxuan Li , Haipeng Wang

While generative adversarial networks (GAN) have been widely adopted in various topics, in this paper we generalize the standard GAN to a new perspective by treating realness as a random variable that can be estimated from multiple angles.…

机器学习 · 计算机科学 2020-02-14 Yuanbo Xiangli , Yubin Deng , Bo Dai , Chen Change Loy , Dahua Lin

Most of the existing recognition algorithms are proposed for closed set scenarios, where all categories are known beforehand. However, in practice, recognition is essentially an open set problem. There are categories we know called…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Yu Shu , Yemin Shi , Yaowei Wang , Tiejun Huang , Yonghong Tian

Traditionally, the detection of fraudulent insurance claims relies on business rules and expert judgement which makes it a time-consuming and expensive process (\'Oskarsd\'ottir et al., 2022). Consequently, researchers have been examining…

机器学习 · 计算机科学 2024-10-08 Bavo D. C. Campo , Katrien Antonio

At present, object recognition studies are mostly conducted in a closed lab setting with classes in test phase typically in training phase. However, real-world problem is far more challenging because: i) new classes unseen in the training…

机器学习 · 计算机科学 2020-03-24 Xiaojie Guo , Amir Alipour-Fanid , Lingfei Wu , Hemant Purohit , Xiang Chen , Kai Zeng , Liang Zhao

We address the problem of out-of-distribution (OOD) detection for the task of object detection. We show that residual convolutional layers with batch normalisation produce Sensitivity-Aware FEatures (SAFE) that are consistently powerful for…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Samuel Wilson , Tobias Fischer , Feras Dayoub , Dimity Miller , Niko Sünderhauf

Open set recognition (OSR) is devised to address the problem of detecting novel classes during model inference. Even in recent vision models, this remains an open issue which is receiving increasing attention. Thereby, a crucial challenge…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Jiawen Xu , Odej Kao , Margret Keuper

Existing multi-view learning models struggle in open-set scenarios due to their implicit assumption of class completeness. Moreover, static view-induced biases, which arise from spurious view-label associations formed during training,…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zihan Fang , Zhiyong Xu , Lan Du , Shide Du , Zhiling Cai , Shiping Wang

Deep learners tend to perform well when trained under the closed set assumption but struggle when deployed under open set conditions. This motivates the field of Open Set Recognition in which we seek to give deep learners the ability to…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Daniel Brignac , Abhijit Mahalanobis

Intelligent Internet of Things (IoT) systems based on deep neural networks (DNNs) have been widely deployed in the real world. However, DNNs are found to be vulnerable to adversarial examples, which raises people's concerns about…

机器学习 · 计算机科学 2021-11-22 Tao Bai , Jun Zhao , Jinlin Zhu , Shoudong Han , Jiefeng Chen , Bo Li , Alex Kot